Typing apparatus



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TYPING APPARATUS Filed Farb. 8, 1940 18 Sheets-Sheet 6 f INVENTOR ATTORNEY Junez, 1942.

R. H. TURNER TYPING APPARATUS Filed Feb. 8, 1940 18 shee'ts-sheet v INVENTOR ATTORNEY June 2, 19424 R. H. TURNER 2,284,933

TYPING APPARATUS ATTORNEY June .2, 1942. RQH. TURNER 2,284,933

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TYPING APPARATUS Filed Feb. a, 1940 1s sheets-sheet 11 June 2, 1942. R. H. TURNER 2,284,933

TYPING APPARATUS Filed Feb. 8, 1940 18 Sheets-Sheet 12 Fij. 16

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Patented June v 2, -1942 UNITED STATES PATENT ()FFICE l 2,284,933 TYPING APPARATUS v Ransom H. Turner, Great Neck, N. Y. Application February 3,- 1940, serial No. 317,913

(c1. lez-a1) 68 Claims.

This invention relates more particularly to improved means for preparing l,instilled type copy suitable for photographic reproduction for employment in printing processes of the litho graphic' type such as planographi'c and oiset tained in said copy are then prepared by a linecasting machine. From the type so prepared,

and al1 composed, a printed impression is made to obtain a master copy. Then, a photographic reproduction vof said master copy is made'upon a sheet or plate which is subsequently applied to a printing press for offset printing. This pracce requires the employment of. an expensive line-casting machine and the expensive services o f an operator for such a machine in order to obtain proper setwise spacing of the printed characters and justified lines. This feature of said practice contributes much to the cost of offset printing.

An important object of the present invention is to facilitate and reduce the cost of preparation of the master copy by provision of typing apparatus capable of producing typewritten master copy with properly spaced characters and justified lines and entirely suitable for direct photographic reproduction for oiset printing.

Other objects of the invention will appear hereinafter.

In the drawings, Fig. 1 is a vertical fore-andaft sectional view of the apparatus, approximately on the line I-I of Fig. 2;

Fig. 2 is a horizontal sectional View approximately on the line 2 2 of Fig. 1, parts being broken away and parts omitted;

Fig. 3 is an enlarged section approximately on the line 3-3 of Fig. 2;

Fig, 4 is a front elevation of. the mechanisms vshown in Fig. 3, parts being in section;

parts in the positions which they assume immediately after the operation of a character key; Fig. 7 is a detail vertical section through the gearing for advancing the spacing wedges for.

Fig.v 9 is an enlarged vertical section approximately on the line 9-9 of Fig. 2, the parts being `shown in normal position;

Fig. 10 is an enlarged vertical section approximately on the line lll- I0 of Fig. 2, parts being broken away and parts omitted;

Fig. 11 is an enlarged vertical section approximately on the line H-Il of Fig, 2, with parts broken away and parts omitted;

Fig. 12 is a vertical section approximately on the line |2-I2 of Fig. 2, showing a number of the spacing wedges advanced for character space setting .of stop elements and others of the wedges advanced for word space setting of stop elements;

Fig. 13 is a view similar to Fig. 9, with parts broken away and certain of the parts in the positions which they assume upon operation of the line-justifying key; f

Fig. 14 is a left side view of the mechanisms for causing advance of the wedges for character space stop setting and for causing operation of the escapement means associated ,with the wedges and stop elements, certain of the4 parts being in the positions whichthey assume upon operation of a character key;

Fig. 15 is a view similar to Fig. 14 and showing certain of the parts shifted for operating the stop-releasing escapement` means;

Fig. 16 is a plan view of the assembly of stop elements and spacing Awedges and associated parts viewed to show the full length of the forward wedges and the upper ends of the rear wedges, a number of the wedges being advanced for stop setting, some of the wedges being omitted and certain of the associated parts being broken away;

Fig. 17 is a section approximately on the line I'l-I'l of Fig. 11 and shows, in normal positions, an escapement-controlling slide and a means for operating said slide and for retracting wedges advanced for character space setting of the stops;

Fig. 18 is a view similar to Fig. 17, showing the said slide shifted by its said operating means to a lposition to render the escapement means inoperable;

Fig. 19 is a plan view of the parts Ashown in Fig, 17, and associated parts, as viewed in the direction indicated by the arrow A in Fig. 17, parts being broken away;

Fig. 20 is a detail side elevation of mechanism for operating the escapement means for releasing the stop elements, guide means for an element of said mechanism being shown in section;

Fig. 21 is a view similar to Fig. 20, showing said mechanism operated for shifting said escapement means;

Fig. 22 is a reduced scale view similar to Fig'. 20, showing said mechanism set for reversing the shift of the escapement means;

Fig. 23 is a section approximately on the line 23-23 of Fig. 20;

Figs. 24, 25 and 26 are sections each taken on the line 24-2I of Fig. 23 and showing the parts in different operated positions;

Fig. 27 is a detail view showing the rock shaft which bears the settable stop elements in cross section, one of said stop elements thereon in elevation and an escapement stop element on said shaft in a position to hold said stop element against advance along the shaft;

Fig. 28 is a view similar to Fig. 27, showing the escapement element rocked to a position. to release the stop element for advance along the shaft;

Fig. 29is a view similar to Fig. 28, showing several of the stop elements on the shaft and the escapement element in position to release one of the stop elements and hold a following stop element, a portion of the wedge for setting the released element being shown also;

Fig. 30 is a view showing the said rock shaft in cross section and showing, in elevation, the

meansffor exerting pressure upon the bank of stop elements to advance the bank step-by-step as the stop elements are released in succession;

Fig. 31 is a section on the line 3 I-3I of Fig. 30;

Fig. 32 is a detail side elevation of mechanism for operating the escapement element which cooperates with the set stop elements to control carriage travel in justified typing; guide means for an 'element of said mechanism being shown in section; A

Fig. 33 is a detail view showing, in cross section, the rock shafts bearing the stop-controlling escapement element and the carriage-controlling escapement respectively and showing, in elevation, the latter escapement element in engagement with one of the stop elements.

Fig. 34 is a view similar to Fig. 33 and including several of the stop elements, with the carriage-controlling escapement element rocked to a position to pass one of the stop elements and engage a following one of the stop elements;

Fig. 35 is a detail side elevation of one of the stop-setting wedges and an associated one of the stop elements;

Fig. 36 is a side elevation of anupper end por-- tion of another one of the wedges and an associated stop element;

Fig. 37 is a central longitudinal sectional view writing machine has the usual escapement means for controlling the travel of the paper carriage of the machine in said preliminary typing. Special provision is made for controlling the travel of'the carriage for the subsequent typing of the master copy. In combination with the typewriting machine there is ai row of escapement stop elements extending along the line of carriage travel. These elements are settable varying distances apart in the series for the purpose of controlling the travel of the carriage for appropriate setwise spacing of the typed characters and for word spacing and line justication in the typing of the master copy. V Key-responsive means are provided for such setting of the vstop elements, and the setting is accomplished in said preliminary typing. Operation of the characterkeys in the preliminary typing causes accurate setting of the stop elements varying distances apart in ac- Icordance with setwise spacing appropriate to the different characters typed. At the conclusion of the preliminary typing a line-justifying key is operated and means responsive to operation of said key causes setting of the stop elements for word-spacing and line justifying. Then, in said master copy typing, a special escapement means cooperates with the set stop elements to control the travel of the carriage.

Printers type are employed upon the type heads of the typewriting machine and that, together with the accurate setwise spacing of the typed characters and the justified lines, provided for by said stop setting, enables the production of a typed master copy practically identical to a printed one obtainable from a line-cast type setup. Such a typed copy will be suitable in every way for photo-offset reproduction. The apparatus may also be employed satisfactorily for typing the master copy directly upon a sheet or plate to be applied to a press cylinder for ofl'set printing, as in a known process.

The mechanism of the typewriter machine may be in general similar to that of any one of a number of well-known makes. In the present instance the mechanismis that of a standard Underwood typewriter. It has letter keys I, figure keys 2, right and left hand case shift keys 3 and a space bar 4. Certain of the keys also bear the usual punctuation marks and symbols. The letter keys and figure keys are on levers 5 fulcrumed upon a cross bar 6 borne by the main frame and are operatively connected by sub-levers 'I to type bars 8. A carriage 8 bearing the platen III is mounted upon a rear bar I I and an under bar I2 for travel Acrosswse of the machine. Bar II supports the carriage for case shift rocking and bar I2 is supof several adjacent ones of the wedges and associated stop elements;

ported by a rocker I3 for rocking about a shaft I4, borne by the main frame of the machineto shift the carriage between upper and lower case positions. I'he case shift keys are on levers I5 fulcrumed on the cross bar 6 and each has an upwardly extending arm I6 engageable with the rocker I3 to cause shift of the platen to upper case position when either case shift key is pressed.

through the upper portion of the justifying mechanism, parts being in elevation, parts broken away and parts omitted.

ltyping of a master copy of said matter. The type- Mounted at a iixedpoint in the machine there is an escapement ratchet wheel I'I having a pinion I8 fixed to rotate therewith and to mesh with a carriage rack bar I9, having uniformly spaced rack teeth, as illustrated in Fig. 41, and as is usual in standard commercial typewriting machines. Rotation of the escapement wheel for advance of the carriage in the said preliminary typing is'controlled by the escapement dogs 20 which are rockably mounted at a fixed point, asv 

